Sample size calculation || Proportion and mean estimation || Hypothesis testing || Cluster RCT

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[@johnsonmshiu4837]

Thank you for this ..I can't wait for Cohort and case-control studies

[@ahshanulstatistician6644]

Cohort study sample size!! kzbin.info/www/bejne/a3i6m2Oobqypl7c

[@rafiamairaj5680]

Yes plz guide case control and cohort single group and more than one group in quantitative and qualitative data

[@nehashrestha1993]

Sir can you please suggest the sample size calculation formula of non randomized pretest posttest design using mean and standard deviation or for new study where P1 P2 using previous study is not available.

[@ahshanulstatistician6644]

Thank you. I had no more knowledge on youtube technical issues. Yotube gave an update on comment section. After that time I couldn’t follow any comment. Just I completed the setting and am getting the previous comments. I am extremely sorry dear.